P0E34

DC/DC Converter Voltage Sensor A High

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Problems with charging a high-voltage battery
Incorrect operation of electric motors
The vehicle goes into emergency mode

Causes

DC/DC voltage sensor malfunction
Open or short circuit in the sensor circuit
Problems with DC/DC converter
Malfunction of the hybrid system control unit
Corrosion of contacts in an electrical circuit

How to Fix

Check the continuity of the voltage sensor circuit
Check the functionality of the voltage sensor
Diagnose the DC/DC converter
Check control unit software
Repair only from an authorized dealer

Related codes

P0E33 P0E35 P0E36